Eleanor and Franklin Roosevelt were 5th cousins, once removed

President Theodore Roosevelt walked Eleanor Roosevelt down the aisle at her wedding to Franklin D. Roosevelt

Eleanor and Franklin D. Roosevelt, her fifth cousin once removed, were married on St. Patrick's Day in 1905. Because both of her parents had died, her uncle, President Theodore Roosevelt, accompanied her down the aisle. The wedding was a notable social event among NYC elites.

Eleanor Roosevelt was orphaned by age 10

Roosevelt's mother died when Eleanor was 8, and her father died two years later. Orphaned before she turned 10, Eleanor moved in with her maternal grandmother in New York and was raised by the emotionally distant woman.

The FBI surveilled Roosevelt for decades, suspicious of her civil rights and political work

J. Edgar Hoover's FBI maintained a large file on Eleanor Roosevelt, monitoring her involvement with civil rights groups, connections to progressive causes, and vocal opposition to McCarthyism. Although a formal investigation was never initiated, Hoover regarded her as a person of interest for most of her adult life.

How Taylor Swift is related to poet Emily Dickinson

In 2024, genealogy site Ancestry.com claimed that the pop star and the poet were descended from a 17th-century English immigrant, Swift's ninth great-grandfather and Dickinson's sixth great-grandfather. That would make Swift and Dickinson sixth cousins, three times removed.

Eleanor Roosevelt's son wrote mystery novels starring his mother

Elliott Roosevelt wrote 20 novels about a fictional version of his mother, an amateur detective. Titles included "Murder and the First Lady," "The White House Pantry Murder," and "New Deal for Death."

The 22nd Amendment was a reaction to Roosevelt's four terms

After Franklin D. Roosevelt won four elections, Congress moved to prevent future presidents from holding power indefinitely. Ratified in 1951, the 22nd Amendment set a firm two-term limit as a safeguard against extended presidencies.

Beyond DNA, Franklin's legacy extends into modern virology and steel production

While remembered for her critical but under-credited role in uncovering parameters for the structure of DNA, Rosalind Franklin made significant contributions across coal chemistry and virus structure. Her research helped improve fuel efficiency, wartime protective equipment, and foundational knowledge in molecular biology.

Rival companies AMD and Nvidia's CEOs are related

Advanced Micro Devices (AMD) and Nvidia are two of the world's largest manufacturers of processing chips and are fierce competitors. AMD's CEO Lisa Su and Nvidia CEO Jensen Huang are actually first cousins once removed, but reportedly don't share a close relationship and didn't even meet until later in life at an industry event.

Learn about the relationship between Thomas Edison and Henry Ford

Despite their 16-year age difference, legendary inventor Thomas Edison and Henry Ford developed a close relationship after meeting at a convention in New York. The two—alongside environmentalist John Burroughs and Harvey Firestone, the founder of Firestone Tire—were known as the "Four Vagabonds" and were famous for their long roadtrips, which were often highly publicized.

Existentialism inspired Franklin Roosevelt and Martin Luther King Jr.

The Danish philosopher, sometimes called “the father of existentialism,” believed that individuals needed to resist the temptation of conformity and instead discover their authentic selves. His work became remarkably influential in the 20th century. In 1944, Roosevelt said that reading Kierkegaard made him understand how the Nazis could’ve enacted so much violence. In 1959, King wrote that existentialism was “especially meaningful for our time.”

The US president who had the most children

John Tyler, America’s 10th president, was born in 1790, yet still has one living grandchild. This bizarre phenomenon can be explained by his 15 children, which he had throughout all stages of his adult life. Tyler had eight children with one wife and seven with another, leading him to hold the title as the US president with the most children. Tyler was also the first US president to get married while in office.

Long-lost sisters meet for the first time and accidentally show up in the same dress

Two women aged 51 and 63 discovered they were sisters after taking a 23andMe test. Both born in Russia, the siblings immigrated to the US around the same time. When the time came to finally meet, they coincidentally arrived wearing the same outfit.

Georgia O’Keeffe and Frank Lloyd Wright were longtime friends

In the early 1930s, famed architect Frank Lloyd Wright invited Georgia O’Keeffe to become the master artist at the newly formed Taliesin Fellowship. O’Keeffe turned him down, but the letter sparked a decades-long friendship, rooted in their shared love for art and American landscapes, which continued until his death.

Less than a third of wealth transfers to the second generation

Just 12% of family wealth reaches the third generation, and 3% makes it to the fourth. Family offices work to prevent that kind of attrition and ensure family fortunes are passed to the next generation.

Norman Rockwell was sometimes confused with another Rockwell, who was a notorious Nazi

George Lincoln Rockwell was the founder of the American Nazi Party and had no relation to Norman Rockwell, the beloved American painter. But that didn’t stop people from confusing the two or suggesting that they were family members. It was something that Norman Rockwell’s granddaughter said had greatly disturbed the painter.

As of 2025, only five people have won two Nobel Prizes

Marie Curie's awards in physics and chemistry and Linus Pauling's in chemistry and peace are the only pairs in different fields. Awards to Curie's daughter and sons-in-law have made the Curies the most awarded family in history.

40% of Americans have ancestors who immigrated via Ellis Island

For over 60 years, Ellis Island was the gateway to America, processing millions of immigrants seeking a new life. While many passed through with ease, others faced rigorous medical exams, legal scrutiny, and even deportation. Learn how this small island shaped generations of American families.

How uploading your consumer genetic testing could lead to a distant relative's arrest

This podcast includes a discussion about how law enforcement can compare DNA samples from a crime scene against voluntarily uploaded DNA on consumer genealogy databases to close cases. Investigators can and have cross-referenced a suspect's crime scene DNA with that of a suspect's relatives who happened to have chosen to upload their genetic information to an open-source genealogy database.

Calvin Coolidge had many animals—including a White House raccoon

Calvin Coolidge and First Lady Grace Coolidge adopted a raccoon named Rebecca, initially intended for Thanksgiving dinner. Instead, she became a beloved pet, roaming the White House lawn with a handmade collar reading "White House Raccoon."

The unsolved murder case of Martha Moxley and the overturned conviction of a Kennedy cousin

Moxley was murdered in 1975, and the case went cold for a quarter of a century until Michael Skakel—a young relative of the Kennedy clan—was convicted of the murder. Eleven years into his sentence, Skakel's conviction was overturned, prompting a new set of questions.

The grandfather paradox of time travel

If you went back in time and killed your grandfather when he was a child, what would happen to you? One of your parents would never be born, so you wouldn’t be born either. But, if you’re never born, how could you kill your grandfather in the first place? This so-called grandfather paradox is something physicists, philosophers and sci-fi writers constantly ponder. Read the piece to learn how they’ve been trying to reconcile it.

What do you mean ancient Rome had 'Five Good Emperors?'

Between the first and second centuries CE, Rome was ruled by five emperors who reversed the civilization's sprint toward civil war. By the end of the fifth emperor's reign, the Roman Empire had achieved a level of stability and power it would never hold again. This article details the reign of the Five Good Emperors—Nerva, Trajan, Hadrian, Antoninus Pius, and Marcus Aurelius—who were chosen based on their abilities instead of their bloodlines.

The sibling of someone with autism has a 20% chance of developing ASD

The disorder is strongly linked with inheritance, and research suggests that if one child has ASD, there's a one in 5 chance the next child will develop autism, which is seven times more likely than the general population.

Four frozen embryos in the US were created via 3-parent IVF technique

Columbia University researchers created four embryos using mitochondrial replacement therapy for four female patients who didn't want to pass on mitochondrial diseases to their children. Yet US law restricts the researchers from implanting the embryos so they remain frozen. (Some users may encounter a paywall.)

Ancient humans and other early hominins were closer than you might think

Evidence that human ancestors and other early hominins coexisted continues to accumulate, raising the question of just how close these ancient people truly were. This article details how evidence is changing the theory that early hominins like...

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

Ebola is a filovirus, meaning it resembles a thread under a microscope, though it sometimes twists and can resemble a bowl of spaghetti.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

During the French Revolution, a botanist's letter asking about "dear Rhus" (poison ivy) was intercepted, leading authorities to suspect he was conspiring with the Russians.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

View the ten deadliest tornadoes in US history.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.